Siemens SIRIUS 3RU2 Thermal Overload Relay 1NO + 1NC, 2.8 → 4 A F.L.C, 4 A Contact Rating, 1.5 kW, 3P, SIRIUS

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MYR413.54

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RS Stock No.:
706-1554
Distrelec Article No.:
136-23-072
Mfr. Part No.:
3RU2116-1EB0
Manufacturer:
Siemens
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Brand

Siemens

FLC Motor Rating

2.8 → 4 A

Contact Current Rating

4 A

Range

SIRIUS

Pole Configuration

3P

Series

SIRIUS 3RU2

Mounting Style

Direct Contactor

Power Rating

1.5 kW

Normal State Configuration

NO/NC

Reset Method

Automatic, Manual

Terminal Type

Screw

Width

45mm

Number Of Auxiliary Contacts

2

Depth

70mm

Length

87mm

Maximum Operating Temperature

+70°C

Minimum Operating Temperature

-40°C

Operating Temperature Range

-40 → +70 °C

Contact Voltage Rating

690 V ac

COO (Country of Origin):
DE

Siemens SIRIUS 3RU2 Series Thermal Overload Relay, 4A Contact Current Rating, 1.5kW Power Rating - 3RU2116-1EB0


This thermal overload relay provides essential protection for motors in various industrial settings, preventing overheating that can lead to significant damage and downtime. It is vital for maintaining system integrity and operational efficiency, making it a key component in electric motor accessories.

Features & Benefits


• Adjustable overload settings for customised motor protection
• Automatic and manual reset options for operational flexibility
• Screw terminals for secure electrical connections
• Two auxiliary contacts for enhanced functionality

Applications


• Designed for three-phase motors requiring thermal overload protection
• Suitable for direct mounting to contactors in electrical systems
• Ideal for environments exposed to temperature extremes
• Commonly used in automation and control circuit installations

How can I adjust the overload settings?


Overload settings can be adjusted via the accessible control interface, allowing for tailored protection based on specific motor needs.

What types of motors can this be used with?


It is compatible with various three-phase motors, accommodating a current range of 2.8 to 4A.

Is installation straightforward?


Yes, installation is made easy with screw terminals that ensure secure connections to the electrical circuit.

What are the implications of using this product in extreme temperatures?


Its robust design allows for reliable operation within a temperature range of -40 to +70°C, making it suitable for a variety of environments.


Siemens Sirius Range Contactor & Control Relays

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